Mac 下 彻底卸载Node 终端命令：
sudo npm uninstall npm -g
sudo rm -rf /usr/local/lib/node /usr/local/lib/node_modules /var/db/receipts/org.nodejs.*
sudo rm -rf /usr/local/include/node /Users/$USER/.npm
sudo rm /usr/local/bin/node
sudo rm /usr/local/share/man/man1/node.1sudo rm /usr/local/lib/dtrace/node.d
转自：https://www.jianshu.com/p/7b72e50cfae8